A156289 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 3 |
| | | | | | | | 1 | | 15 | | 15 |
| | | | | | | 1 | | 63 | | 210 | | 105 |
| | | | | | 1 | | 255 | | 2205 | | 3150 | | 945 |
| | | | | 1 | | 1023 | | 21120 | | 65835 | | 51975 | | 10395 |
| | | | 1 | | 4095 | | 195195 | | 1201200 | | 1891890 | | 945945 | | 135135 |
| | | 1 | | 16383 | | 1777230 | | 20585565 | | 58108050 | | 54864810 | | 18918900 | | 2027025 |
| | 1 | | 65535 | | 16076985 |
|
A156289 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 3 | 15 | 63 | 255 | 1023 | 4095 | 16383 | 65535
| 15 | 210 | 2205 | 21120 | 195195 | 1777230 | 16076985
| 105 | 3150 | 65835 | 1201200 | 20585565
| 945 | 51975 | 1891890 | 58108050
| 10395 | 945945 | 54864810
| 135135 | 18918900
| 2027025
|
A156289 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 3 | 15 | 63 | 255 | 1023 | 4095 | 16383 | 65535
| | | 15 | 210 | 2205 | 21120 | 195195 | 1777230 | 16076985
| | | | 105 | 3150 | 65835 | 1201200 | 20585565
| | | | | 945 | 51975 | 1891890 | 58108050
| | | | | | 10395 | 945945 | 54864810
| | | | | | | 135135 | 18918900
| | | | | | | | 2027025
| | | | | | | |
|
|